EP1548036A3 - Method for producing masticated rubber - Google Patents

Method for producing masticated rubber Download PDF

Info

Publication number
EP1548036A3
EP1548036A3 EP04028493A EP04028493A EP1548036A3 EP 1548036 A3 EP1548036 A3 EP 1548036A3 EP 04028493 A EP04028493 A EP 04028493A EP 04028493 A EP04028493 A EP 04028493A EP 1548036 A3 EP1548036 A3 EP 1548036A3
Authority
EP
European Patent Office
Prior art keywords
producing
masticated rubber
rubber
masticated
weight
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04028493A
Other languages
German (de)
French (fr)
Other versions
EP1548036A2 (en
EP1548036B1 (en
Inventor
Tomoo Yamaguchi
Mitsuhiko Tsuji
Yasunobu Ina
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Denko Corp
Original Assignee
Nitto Denko Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Denko Corp filed Critical Nitto Denko Corp
Publication of EP1548036A2 publication Critical patent/EP1548036A2/en
Publication of EP1548036A3 publication Critical patent/EP1548036A3/en
Application granted granted Critical
Publication of EP1548036B1 publication Critical patent/EP1548036B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
    • C08C19/00—Chemical modification of rubber
    • C08C19/08—Depolymerisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/41—Intermeshing counter-rotating screws
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/50—Partial depolymerisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

A method for producing a masticated rubber, which comprises the steps of masticating rubber at a shear rate of from 500 to 4, 500 (1/s); and obtaining masticated rubber having a weight-average molecular weight of from 100, 000 to 1, 300, 000.
EP04028493.7A 2003-12-01 2004-12-01 Method for producing masticated rubber Not-in-force EP1548036B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003401328A JP4116529B2 (en) 2003-12-01 2003-12-01 Manufacturing method of kneaded rubber
JP2003401328 2003-12-01

Publications (3)

Publication Number Publication Date
EP1548036A2 EP1548036A2 (en) 2005-06-29
EP1548036A3 true EP1548036A3 (en) 2005-07-13
EP1548036B1 EP1548036B1 (en) 2014-03-05

Family

ID=34544882

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04028493.7A Not-in-force EP1548036B1 (en) 2003-12-01 2004-12-01 Method for producing masticated rubber

Country Status (4)

Country Link
US (1) US7629435B2 (en)
EP (1) EP1548036B1 (en)
JP (1) JP4116529B2 (en)
CN (1) CN100556641C (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1980574B1 (en) 2006-01-31 2014-06-04 Bridgestone Corporation Oil-extended natural rubber, method for producing same, rubber composition using same and tire
JP5019752B2 (en) * 2006-02-01 2012-09-05 株式会社ブリヂストン Modified natural rubber and method for producing the same, rubber composition and tire
JP4901411B2 (en) * 2006-10-12 2012-03-21 株式会社ブリヂストン Rehabilitation tire
KR100905934B1 (en) 2007-05-22 2009-07-02 재단법인서울대학교산학협력재단 A pressure-sensitive adhesive for protection film of light functionalized sheet
DE102008038000A1 (en) * 2008-08-16 2010-02-18 Continental Reifen Deutschland Gmbh Process for the modification of natural rubber and modified natural rubber
DE102010052286A1 (en) * 2010-03-25 2011-09-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Process for the preparation of short-chain plastics and waxy products of higher molecular weight polymers
JP6385164B2 (en) * 2014-07-01 2018-09-05 住友ゴム工業株式会社 Natural rubber mastication method
JP6716942B2 (en) 2016-02-18 2020-07-01 住友ゴム工業株式会社 Pneumatic tire and method for manufacturing pneumatic tire
JP6972534B2 (en) * 2016-10-31 2021-11-24 住友ゴム工業株式会社 Polymer for kneading machine input
JP6862787B2 (en) 2016-11-22 2021-04-21 住友ゴム工業株式会社 Pneumatic tires
CN111164106B (en) * 2017-10-11 2022-03-01 日本瑞翁株式会社 Method for producing polymer latex

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248469A (en) * 1961-08-28 1966-04-26 Phillips Petroleum Co High shear visbreaking method and apparatus
EP0035677A1 (en) * 1980-03-05 1981-09-16 BASF Aktiengesellschaft Prevention of lampblack formation during the aimed degradation of high molecular weight isobutene polymers
EP0111391A2 (en) * 1982-11-10 1984-06-20 Polysar Limited Polymer molecular weight reduction process
EP0180444A2 (en) * 1984-10-29 1986-05-07 Polysar Limited Producing low molecular weight polymer
DE4206718C1 (en) * 1992-03-04 1993-07-15 Julius Dr. Wien At Peter Mastication of natural rubber mixes to give reduced oxidn. etc. - includes masticating natural rubber in enclosed mill and then mixing with hot treated natural rubber in open mill
DE4433273A1 (en) * 1994-09-19 1996-03-21 Basf Ag Process for the preparation of mixtures of high molecular weight polyisobutylene and thermoplastic polymers
DE10140215A1 (en) * 2001-08-16 2003-02-27 Novum 2000 Gmbh Thermoplastic scrap processing machine for recycling of thermoplastic plastic materials, includes an additive feed unit prior to a mixer and screw extruder

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6244409A (en) 1985-08-22 1987-02-26 Kobe Steel Ltd Enclosed type kneading machine
EP0305692B1 (en) * 1987-09-02 1992-05-06 HERMANN BERSTORFF Maschinenbau GmbH Process for the continuous production of rubber mixtures and other filler-containing polymer-based mixtures
KR940003261B1 (en) * 1989-07-10 1994-04-16 미쓰이세끼유 가가꾸 고오교오 가부시끼가이샤 Method of producing themoplastic elastomer composition and thermoplastic elastomer composition produced thereby
DE4434965A1 (en) * 1994-09-30 1996-04-04 Bayer Ag Polycarbonate molding compounds with improved toughness
US5914157A (en) 1995-08-31 1999-06-22 Minnesota Mining And Manufacturing Company Solventless hot melt process for the preparation of pressure sensitive adhesives
US6489385B1 (en) 1996-03-29 2002-12-03 Nippon Zeon Co., Ltd. Highly saturated nitrile copolymer rubber, process for the production thereof, heat-resistant rubber compositions comprising the rubber and composites comprising the rubber and fibers
US5644007A (en) * 1996-04-26 1997-07-01 Minnesota Mining And Manufacturing Company Continuous process for the production of poly(1-alkenes)
JP3878700B2 (en) 1996-10-02 2007-02-07 日東電工株式会社 Pressure sensitive adhesive and surface protective material
JPH10101736A (en) 1996-10-02 1998-04-21 Nitto Denko Corp Method for peptizing isobutylene polymer
JP3499414B2 (en) * 1996-12-24 2004-02-23 株式会社神戸製鋼所 Twin screw kneader
US6455526B1 (en) * 1998-12-16 2002-09-24 Aventis Pharmaceuticals, Inc. Biodegradable polymer encapsulated pharmaceutical compositions and method for preparing the same
JP4400977B2 (en) 1999-06-09 2010-01-20 日東電工Ｃｓシステム株式会社 Method for producing natural rubber for pressure-sensitive adhesive and natural rubber-based pressure-sensitive adhesive composition
DE50009350D1 (en) 1999-12-22 2005-03-03 Rhein Chemie Rheinau Gmbh Use of dialkyl polysulfides for mastication of natural and synthetic rubbers
US6419729B1 (en) * 2000-04-17 2002-07-16 3M Innovative Properties Company Filter assemblies with adhesive attachment systems
JP3656957B2 (en) * 2001-01-16 2005-06-08 株式会社神戸製鋼所 Biaxial continuous kneader and kneading method using the same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248469A (en) * 1961-08-28 1966-04-26 Phillips Petroleum Co High shear visbreaking method and apparatus
EP0035677A1 (en) * 1980-03-05 1981-09-16 BASF Aktiengesellschaft Prevention of lampblack formation during the aimed degradation of high molecular weight isobutene polymers
EP0111391A2 (en) * 1982-11-10 1984-06-20 Polysar Limited Polymer molecular weight reduction process
EP0180444A2 (en) * 1984-10-29 1986-05-07 Polysar Limited Producing low molecular weight polymer
DE4206718C1 (en) * 1992-03-04 1993-07-15 Julius Dr. Wien At Peter Mastication of natural rubber mixes to give reduced oxidn. etc. - includes masticating natural rubber in enclosed mill and then mixing with hot treated natural rubber in open mill
DE4433273A1 (en) * 1994-09-19 1996-03-21 Basf Ag Process for the preparation of mixtures of high molecular weight polyisobutylene and thermoplastic polymers
DE10140215A1 (en) * 2001-08-16 2003-02-27 Novum 2000 Gmbh Thermoplastic scrap processing machine for recycling of thermoplastic plastic materials, includes an additive feed unit prior to a mixer and screw extruder

Also Published As

Publication number Publication date
CN1636692A (en) 2005-07-13
US20050119452A1 (en) 2005-06-02
US7629435B2 (en) 2009-12-08
JP2005162810A (en) 2005-06-23
EP1548036A2 (en) 2005-06-29
CN100556641C (en) 2009-11-04
JP4116529B2 (en) 2008-07-09
EP1548036B1 (en) 2014-03-05

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